`arrivemathematics.net`

DNSSEC	⚠️ Not signed
A	192.243.85.12^{🇺🇸 F5192.243.85.0/24 hosted}
NS	`pdns85.ultradns.com` ⭐
		A	2001:502:f3ff::79^{🇺🇸 MAINT-ID-120082001:502:f3ff::/48 Neustar}
			PTR	`pdns85.ultradns.com`
		A	156.154.64.85^{🇺🇸 MAINT-ID-12008156.154.64.0/24 Neustar}
			PTR	`pdns85.ultradns.com`
NS	`pdns85.ultradns.biz`
		A	2610:a1:1015::79^{🇺🇸 MAINT-ID-120082610:a1:1015::/48 Neustar}
			PTR	`pdns85.ultradns.biz`
		A	156.154.66.85^{🇺🇸 MAINT-ID-12008156.154.66.0/24 Neustar}
			PTR	`pdns85.ultradns.biz`
NS	`pdns85.ultradns.net`
		A	2610:a1:1014::79^{🇺🇸 MAINT-ID-120082610:a1:1014::/48 Neustar}
			PTR	`pdns85.ultradns.net`
		A	156.154.65.85^{🇺🇸 MAINT-ID-12008156.154.65.0/24 Neustar}
			PTR	`pdns85.ultradns.net`
NS	`pdns85.ultradns.org`
		A	2001:502:4612::79^{🇺🇸 MAINT-ID-120082001:502:4612::/48 Neustar}
			PTR	`pdns85.ultradns.org`
		A	156.154.67.85^{🇺🇸 MAINT-ID-12008156.154.67.0/24 Neustar}
			PTR	`pdns85.ultradns.org`
TXT	`v=spf1 -all`
SOA	`pdns85.ultradns.com`hostmaster@mheducation.com 2017-09-21 #16

`net`

	DNSSEC	🔒 Signed (DS record present)
	NS	`a.gtld-servers.net` ⭐
	NS	`b.gtld-servers.net`
	NS	`c.gtld-servers.net`
	NS	`d.gtld-servers.net`
	NS	`e.gtld-servers.net`
	NS	`f.gtld-servers.net`
	NS	`g.gtld-servers.net`
	NS	`h.gtld-servers.net`
	NS	`i.gtld-servers.net`
	NS	`j.gtld-servers.net`
	NS	`k.gtld-servers.net`
	NS	`l.gtld-servers.net`
	NS	`m.gtld-servers.net`
	SOA	`a.gtld-servers.net`nstld@verisign-grs.com serial=1777068366

Same first word

arrivemathematics.com

arrivemathematics.net

arrivemathematics.info

arrivemathematics.org

DNS History

5 records (5 active, 0 former)

●NSpdns85.ultradns.biz2017-09-28 → 2026-04-24 · 2 obs

● 2017-09-28 19:20:24
● 2026-04-24 22:31:06

●NSpdns85.ultradns.com2017-09-28 → 2026-04-24 · 2 obs

● 2017-09-28 19:20:24
● 2026-04-24 22:31:06

●NSpdns85.ultradns.net2017-09-28 → 2026-04-24 · 2 obs

● 2017-09-28 19:20:24
● 2026-04-24 22:31:06

●NSpdns85.ultradns.org2017-09-28 → 2026-04-24 · 2 obs

● 2017-09-28 19:20:24
● 2026-04-24 22:31:06

●A192.243.85.122026-04-24 → 2026-04-24 · 2 obs

● 2026-04-24 13:13:00
● 2026-04-24 22:31:06

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
net	e.gtld-servers.net, b.gtld-servers.net, h.gtld-servers.net, j.gtld-servers.net...	-
arrivemathematics.net	pdns85.ultradns.net, pdns85.ultradns.com, pdns85.ultradns.biz, pdns85.ultradns.org	2 records

✅ Authoritative Response

Server:156.154.66.85

NS records: pdns85.ultradns.net, pdns85.ultradns.com, pdns85.ultradns.biz, pdns85.ultradns.org

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for arrivemathematics.net (unsigned zone)

⏱️ Timing

Total: 409ms | Queries: -

📄 Records

Type	Count	Sample Data
A	1	`192.243.85.12`
NS	4	`pdns85.ultradns.biz, pdns85.ultradns.com...`
TXT	1	`v=spf1 -all`
SOA	1	`pdns85.ultradns.com hostmaster.mheducati`

📌 Glue Records Collected

Total: 2

Out-of-bailiwick: 2 (pdns85.ultradns.net, pdns85.ultradns.net)

Analysis

IP Addresses

arrivemathematics.net points to a single IP: 192.243.85.12.

Other host names, for instance redbirdprofessionallearning.com, arrivemathematics.com, todaysopencourt.com, revealmath.net and wondersmhe.com share IP numbers with arrivemathematics.net.

Name Servers

arrivemathematics.net's delegation is handled by four name servers: pdns85.ultradns.biz, pdns85.ultradns.com, pdns85.ultradns.net and pdns85.ultradns.org.

arrivemathematics.net partially shares name servers with other domains; examples include gedwriting.com, mhpractice.it, mcgrawhillengineeringcs.com, revealmath.net and highered-mcgraw-hill.com.

Host names with two IPs:

pdns85.ultradns.biz points to 2610:a1:1015::79 and 156.154.66.85

pdns85.ultradns.com points to 2001:502:f3ff::79 and 156.154.64.85

pdns85.ultradns.net points to 2610:a1:1014::79 and 156.154.65.85

pdns85.ultradns.org points to 2001:502:4612::79 and 156.154.67.85

arrivemathematics.net - robtex.com